BENNING IT 130 Manual


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Installation Tester
BENNING IT 130
Operating Manual
Manufacturer:
BENNING Elektrotechnik und Elektronik GmbH & Co. KG
Münsterstraße 135 - 137
D - 46397 Bocholt
Phone: +49 (0) 2871 - 93 - 0 • Fax: +49 (0) 2871 - 93 - 429
www.benning.de • duspol@benning.de
This symbol on your device ensures that the device complies with the requirements laid
down by the EU (European Union) with regard to safety and electromagnetic compatibility
of devices.
© 05/2020 BENNING
This document must not be reproduced or used in any other form without the express written
consent of BENNING.
IDNo. 20 752 249 Part no.: 10110213.06
BENNING IT 130 Content
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Table of contents
1
Preface ............................................................................................................................... 6
2
Safety and operating instructions ................................................................................... 7
2.1
Warnings ..................................................................................................................... 7
2.2
Batteries / storage batteries and charger ................................................................... 11
2.3
Standards applied ..................................................................................................... 13
3
Device description .......................................................................................................... 14
3.1
Front panel ................................................................................................................ 14
3.2
Connection panel ...................................................................................................... 15
3.3
Rear panel ................................................................................................................ 16
3.4
Carrying the installation tester ................................................................................... 17
3.4.1
Attachment of the carrying strap ........................................................................ 18
3.5
Scope of delivery and optional accessories ............................................................... 19
3.5.1
Standard scope of delivery ................................................................................ 19
3.5.2
Optional accessories ......................................................................................... 20
4
Operating the BENNING IT 130 installation tester ........................................................ 21
4.1
Indications and acoustic warning signals ................................................................... 21
4.1.1
Connection monitor ........................................................................................... 21
4.1.2
Battery indication ............................................................................................... 21
4.1.3
Warnings and messages ................................................................................... 21
4.1.4
Evaluation field .................................................................................................. 22
4.1.5
Acoustic warning signals ................................................................................... 22
4.1.6
Help menu ("HELP" key) ................................................................................... 23
4.1.7
Background lighting and contrast ....................................................................... 23
4.2
Function selector switch ............................................................................................ 24
4.3
"AUTO" mode ............................................................................................................ 24
4.4
"SETTINGS" mode .................................................................................................... 25
4.4.1
Memory ............................................................................................................. 25
4.4.2
Language .......................................................................................................... 25
4.4.3
Date and time .................................................................................................... 26
4.4.4
Earthing system (power supply network) ........................................................... 26
4.4.5
RCD testing ....................................................................................................... 27
4.4.6
Isc factor (scaling factor) .................................................................................... 28
4.4.7
Commander ON/OFF ........................................................................................ 29
4.4.8
Initial settings ..................................................................................................... 29
4.4.9
Clamp settings ................................................................................................... 30
5
Measurements ................................................................................................................. 32
5.1
TRMS voltage, frequency and phase sequence ........................................................ 32
5.2
Insulating resistance.................................................................................................. 34
5.3
Low-impedance resistance / continuity test ............................................................... 36
5.3.1
Low-impedance resistance with a testing current of 200 mA ............................. 36
5.3.2
Continuity test with a testing current of 7 mA ..................................................... 37
5.3.3
Compensation (null balance) of the test cable resistance .................................. 38
5.4
RCD testing ............................................................................................................... 40
5.4.1
Contact voltage (Uc) .......................................................................................... 41
5.4.2
Tripping time (RCDt) .......................................................................................... 42
5.4.3
Tripping current (RCD I) .................................................................................... 42
5.4.4
Automatic test .................................................................................................... 43
BENNING IT 130 Content
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5.5
Loop impedance and prospective short-circuit current ............................................... 46
5.6
Line impedance and prospective short-circuit current / voltage drop.................... 48
5.6.1
Line impedance and prospective short-circuit current ........................................ 49
5.6.2
Voltage drop ...................................................................................................... 50
5.7
Earthing resistance ................................................................................................... 52
5.8
Testing the protective conductor connection (PE) ..................................................... 54
5.9
TRMS current by means of current clamp adapter .................................................... 56
5.10
Single-fault leakage current (ISFL) in IT networks ..................................................... 57
5.11
Luminous intensity .................................................................................................... 59
6
Management of measured values .................................................................................. 61
6.1
Memory structure ...................................................................................................... 61
6.2
Saving measuring results .......................................................................................... 63
6.3
Recalling measuring results ...................................................................................... 64
6.4
Deleting measuring results ........................................................................................ 65
6.4.1
Deleting the entire measured value memory ...................................................... 65
6.4.2
Deleting all measurements of each storage location and subordinate storage
locations 65
6.4.3
Deleting an individual measurement .................................................................. 66
6.5
Renaming installation structure fields ........................................................................ 67
6.5.1
Renaming installation structure fields by means of the PC software .................. 67
6.5.2
Renaming the installation structure fields by means of the barcode scanner ..... 67
6.6
USB and RS232 interface ......................................................................................... 68
7
Maintenance .................................................................................................................... 69
7.1
Fuse replacement ..................................................................................................... 69
7.2
Cleaning .................................................................................................................... 69
7.3
Periodic calibration .................................................................................................... 69
7.4
Service ...................................................................................................................... 70
8
Technical data ................................................................................................................. 71
8.1
Insulating resistance.................................................................................................. 71
8.2
Low-impedance resistance / continuity test ............................................................... 72
8.2.1
Low-impedance resistance R LOW ................................................................... 72
8.2.2
Continuity test .................................................................................................... 72
8.3
Residual current protection devices (RCDs) .............................................................. 73
8.3.1
General data ...................................................................................................... 73
8.3.2
Contact voltage (Uc) .......................................................................................... 74
8.3.3
Tripping time (RCD t) ......................................................................................... 74
8.3.4
Tripping current (RCD I) .................................................................................... 74
8.4
Loop impedance and prospective short-circuit current ............................................... 76
8.4.1
Zs function (for systems without RCD) ............................................................... 76
8.4.2
Zsrcd function (for systems with RCD) ............................................................... 76
8.5
Line impedance and prospective short-circuit current / voltage drop ......................... 77
8.6
Earthing resistance ................................................................................................... 78
8.7
TRMS voltage, frequency and phase sequence ........................................................ 78
8.7.1
TRMS voltage (AC/DC) ..................................................................................... 78
8.7.2
Voltage of the connection monitor ..................................................................... 78
8.7.3
Frequency ......................................................................................................... 78
8.7.4
Phase sequence (rotary field) ............................................................................ 78
8.8
TRMS current (AC / DC) via current clamp adapter ................................................... 79
8.9
Single-fault leakage current (ISFL) in IT networks ..................................................... 79
8.10
Luminous intensity .................................................................................................... 80
8.11
General data ............................................................................................................. 81
BENNING IT 130 Content
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Appendix A
Fuse table – Prospective short-circuit current .......................................... 82
Appendix B
Standard and optional accessories for specific measuring functions .... 85
Appendix C
"Commander" test probe, "Commander" test plug ................................... 86
C.1
Safety warnings ................................................................................................ 86
C.2
Batteries ................................................................................................................... 86
C.3
Description of the "Commanders" ......................................................................... 87
C.4
LED indications of the "Commanders" .................................................................. 88
BENNING IT 130 Preface
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1 Preface
BENNING would like to congratulate you on purchasing this BENNING IT 130 installation tester
and its accessories. The BENNING IT 130 installation tester is a multifunctional tester for testing
electrical installations in compliance with IEC 60364-6 (DIN VDE 0100-600) and EN 50110
(DIN VDE 0105-100).
The device is intended for the following measurements and tests:
TRUE RMS voltage, frequency and rotary field (phase sequence)
low-impedance resistance, continuity test
insulating resistance
residual current protection devices (RCD)
loop impedance without RCD tripping
line impedance and voltage drop
TRUE RMS current by means of optional current clamp adapters
earthing resistance by means of optional earthing kit
luminous intensity by means of optional luxmeter
single-fault leakage current in IT networks
The graphic display with background lighting allows easy reading of measuring results,
indications, measuring parameters and messages. Two "PASS" / "FAIL" indications (red / green
LEDs) are located next to the LC display.
The BENNING IT 130 installation tester is equipped with all accessories necessary for
comfortable testing. It is kept in a padded carrying case together with all accessories.
BENNING IT 130 Safety and operating instructions
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2 Safety and operating instructions
The following symbols are used both in the operating manual and on the installation tester:
Attention! Danger! Please observe the operating manual!
Warning of dangerous voltage!
Protection class II
Earth (voltage to earth)
2.1 Warnings
In order to ensure a high degree of operational safety during the tests and measurements and
to avoid damaging of the BENNING IT 130 installation tester, the general warnings listed in the
following must be adhered to.
Warnings – general information:
In case the installation tester is not used according to this operating manual, the
protection provided by the installation tester might be impaired!
Please read this operating manual carefully, because otherwise the use of the
installation tester might involve dangers for the user, the installation tester or the
test object!
Never use the installation tester or the corresponding accessories, if they exhibit
visible damages!
Absolutely observe all general safety instructions in order to avoid the risk of an
electric shock when handling dangerous voltages!
If the fuse F1 has blown, please follow the instructions of this operating manual to
replace it! Only use a fuse complying with the specification (see chapter 7.1) as
replacement.
If one of the fuses F2 or F3 has blown, the device must not be used anymore. In
this case, the device must be sent to BENNING for inspection and repair.
Never use the installation tester in AC supply systems with voltages higher than
550 V AC.
Any service, repair or adjustments of the installation tester and of the
corresponding accessories must be carried out by authorized qualified personnel
only!
Please use standard or optional BENNING accessories only which are available
from your authorized specialty retailer!
BENNING IT 130 Safety and operating instructions
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Please observe that the measuring category of some accessories might be lower
than that of the installation tester. Test probes and "Commander" test probes are
provided with detachable protective caps. If these attachable protective caps are
removed, the measuring category will be reduced to CAT II. Please check the
markings of the accessories!
without attachable protective cap, 18 mm tip: CAT II 1000 V to earth
with attachable protective cap, 4 mm tip: CAT II 1000 V / CAT III 600 V /
CAT IV 300 V to earth
The installation tester comes with rechargeable NiMh storage batteries. The
storage batteries must be replaced only as shown on the label at the battery
compartment cover or as described in this operating manual and must be
replaced with storage batteries of the same type only. Do not use standard
alkaline batteries while the charger is connected, because otherwise these
batteries might explode!
Dangerous voltages are applied to the interior of the device! Disconnect all test
cables, disconnect the charger and switch off the installation tester before
opening the cover of the battery / fuse compartment.
Do not connect any voltage source to the C1 input. This input must be used for
connection of the current clamp adapters only. The maximum input voltage is 3 V!
Absolutely observe all common safety instructions in order to avoid the risk of an
electric shock when working on electrical installations!
Warnings with regard to measurements:
Insulating resistance
Measurements of the insulating resistance must be carried out only at test objects which
are free of voltage!
Never touch the test object during measurement before it is completely discharged!
Danger of life-threatening electric shocks!
If the insulating resistance is measured on capacitive test objects, discharging might
take place time-delayed! During discharge, the warning as well as the current
voltage (Udisch) are displayed until the voltage falls below 30 V.
Do not connect any measuring input to an external voltage higher than 550 V (AC or DC)
in order not to damage the installation tester!
Low-impedance measurement / continuity test
Low-impedance measurements / continuity tests must be carried out on discharged test
objects only!
The test result might be influenced by parallel impedances.
Testing the PE connection
If a phase voltage is detected at the PE connection, immediately stop all measurements.
Make sure that the error in the installation is eliminated before going on with the
measurements!
BENNING IT 130 Safety and operating instructions
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Remarks with regard to measurements:
General
The icon means that the selected measurement cannot be carried out due to
irregular conditions at the input terminals.
Carry out measurements of the insulating resistance, low-impedance resistance,
continuity and earthing resistance on discharged objects only!
The "PASS" / "FAIL" indication is activated, if a limiting value has been defined. Choose
appropriate limiting values for evaluating the measuring results.
If only two of the three test cables are connected to the electrical installation to be
tested, only the voltage value between those two test cables shall be valid.
Insulating resistance
The three-wire test cable as well as the "Commander" test probe can be used for
measuring the insulating resistance.
If a voltage higher than 30 V (AC or DC) is measured at the testing terminals, the
measurement of the insulating resistance cannot be carried out.
The installation tester automatically discharges test objects after the measurement is
finished.
Double-click the "TEST" key to carry out a continuous measurement.
Low-impedance measurement / continuity test
If a voltage higher than 10 V (AC or DC) is measured at the testing terminals, the low-
impedance measurement / continuity test cannot be carried out.
Before carrying out a low-impedance measurement / continuity test, compensate the test
cable resistance (if necessary).
Earthing resistance
If a voltage higher than 30 V (AC or DC) is measured at the testing terminals, the
measurement of the earthing resistance cannot be carried out.
If an interference voltage higher than 5 V is detected at the testing terminals H and E or
S, the warning symbol " will be displayed indicating that the measuring result might
have been influenced!
Residual current protection devices (RCDs)
The parameters set for a measuring function will be taken over for other RCD
measurements as well!
Contact voltage measurement usually does not involve any tripping of the residual
current protection devices (RCD). However, the tripping threshold might be exceeded
due to leakage currents via the protective conductor (PE) or via capacitive connections
between the conductors L and PE.
Compared to the loop impedance RL (contact voltage subresult), the measurement of
the loop impedance Zs
rcd
needs more time, but offers a considerably higher degree of
accuracy.
The tripping time and tripping current measurement is only carried out, if the contact
voltage at nominal differential current is lower than the preset limiting value of the
contact voltage.
The automatic test sequence (RCD AUTO function) is stopped, if the tripping time is
outside the admissible value.
BENNING IT 130 Safety and operating instructions
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Loop impedance
The lower limiting value of the prospective short-circuit current depends on the fuse type,
on the fuse current rating and tripping time as well as on the I SC scaling factor.
The stated accuracy of the parameters tested shall only apply, if the mains voltage is
stable during measurement.
Loop impedance measurements (Zs) involve tripping of residual current protection
devices (RCDs).
Loop impedance measurements (Zs
rcd
) normally do not involve tripping of the residual
current protection device (RCD). However, the tripping threshold might be exceeded due
to leakage currents flowing to the protective conductor (PE) or via the capacitive
connection between the conductors L and PE.
Line impedance / voltage drop
During phase-to-phase measurements of the line impedance Z I(L-L) with the test cables
PE and N being connected, a warning of dangerous PE voltages is displayed. However,
the measurement will be carried out.
The stated accuracy of the parameters tested shall only apply, if the mains voltage is
stable during measurement.
Depending on the connection voltage detected, the test terminals L and N are inverted
automatically.
Luminous intensity
Shadows and irregular exposure to light might influence the measuring result!
Artificial light sources reach their full capacity (see Technical Data of the light sources)
only after a certain time and therefore should be switched on until they reach this
capacity before carrying out measurements.
Testing the protective conductor connection (PE)
The PE connection can be tested only in switch positions "FI/RCD", "Z S(L-PE)" and
"ZI(L-N/L)"!
For correct measurement of the PE connection, the "TEST" key must be touched for
several seconds.
Make sure not to stand on an insulated floor, because otherwise the test result might be
incorrect!
BENNING IT 130 Safety and operating instructions
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2.2 Batteries / storage batteries and charger
The installation tester can be operated with six alkaline batteries (type AA) or with rechargeable
NiMh batteries (storage batteries). The specified operating time refers to storage batteries with
a nominal capacity of 2100 mAh. The batteries' state of charge is permanently displayed in the
lower right part of the LC display. If the battery voltage is too low, this will be displayed as
shown in figure 2.1. This indication is shown several seconds before the tester switches off.
Figure 2 1: Indication of discharged batteries.
The rechargeable NiMh storage batteries will be charged automatically as soon as the charger
is connected with the charging jack of the installation tester. The polarity of the charging jack will
be displayed as shown in figure 2.2. An integrated protective circuit controls the charging
process and ensures an optimum battery lifetime.
+
-
Figure 2 2: Polarity of the charging jack.
Symbol:
Indication of the storage battery
charging process
Figure 2 3: Charging in progress .
General warnings:
If the installation tester is connected to an installation, a dangerous voltage might be
applied to the battery compartment! Disconnect all test cables / accessories from the
installation tester and switch the installation tester off before replacing the batteries /
storage batteries and before opening the cover of the battery / fuse compartment!
Please make sure that the batteries / storage batteries are inserted correctly, because
otherwise the installation tester cannot be operated and the storage batteries will
discharge.
Do not recharge alkaline batteries!
Use only the charger included in the delivery!
Notes:
Before the first use! Insert the storage batteries into the battery compartment and charge
the storage batteries for at least 16 hours.
The charger inside the installation tester is a cell pack charger. This means that the
storage batteries are connected in series during charging. For this reason, the storage
batteries must be equivalent (same state of charge, same condition, same type and
same age).
If the installation tester is not used for a longer period of time, remove all storage
batteries from the battery compartment.
Use alkaline batteries or rechargeable NiMh batteries of size AA only! It is recommended
to use storage batteries with a minimum capacity of 2100 mAh.
BENNING IT 130 Safety and operating instructions
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Unpredictable chemical processes might occur during the charging of storage batteries
that have not been used for a longer period of time (more than 6 months). In this case, it
is recommended to repeat the charging / discharging cycle at least 2 to 4 times.
If no improvement is achieved after several charging / discharging cycles, every storage
battery should be tested individually (by comparing the storage battery voltages, testing
by means of a cell charger etc.). It is very likely that only some of the storage batteries
have lost capacity. If one storage battery differs from the other ones, this might affect the
correct functioning of the entire storage battery block!
The effects described above must not be confused with the normal battery capacity
decrease over time. All rechargeable batteries (storage batteries) lose some of their
battery capacity when being charged / discharged several times. This information is
provided in the technical data specified by the battery manufacturer.
BENNING IT 130 Safety and operating instructions
- 13 -
2.3 Standards applied
The BENNING IT 130 installation tester is manufactured and tested in compliance with the
following regulations:
Electromagnetic compatibility (EMC)
EN 61326-1 Electrical equipment for measurement, control and laboratory use
– EMC requirements
Class B (hand-held equipment in controlled EM environments)
Safety (LVD)
EN 61010-1 Safety requirements for electrical equipment for measurement, control and
laboratory use – Part 1: General requirements
EN 61010-2-030 Safety requirements for electrical equipment for measurement, control and
laboratory use – Part 2-030: Particular requirements for testing and
measuring circuits
EN 61010-031 Safety requirements for electrical equipment for measurement, control and
laboratory use Part 031: Safety requirements for hand-held probe
assemblies for electrical measurement and test
EN 61010-2-032 Safety requirements for electrical equipment for measurement, control and
laboratory use Part 2-032: Particular requirements for hand-held and
hand-manipulated current sensors for electrical test and measurement
Functionality
EN 61557 Electrical safety in low-voltage distribution systems up to 1000 V
AC and
1500 VDC Equipment for testing, measuring or monitoring of protective
measures
Part 1: General requirements
Part 2: Insulation resistance
Part 3: Loop impedance
Part 4: Resistance of earth connection and equipotential bonding
Part 5: Resistance to earth
Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT
systems
Part 7: Phase sequence
Part 10: Combined measuring equipment for testing, measuring or
monitoring of protective measures
DIN 5032 Photometry
Part 7: Classification of illuminance meters and luminance meters
Reference standards for electrical installations and components
EN 61008 Residual current operated circuit-breakers without integral overcurrent
protection for household and similar uses (RCCBs)
EN 61009 Residual current operated circuit-breakers with integral overcurrent
protection for household and similar uses (RCBOs)
EN 60364-4-41 Low-voltage electrical installations Part 4-41: Protection for safety
Protection against electric shock
BS 7671 IEE Wiring Regulations (17
th
edition)
AS / NZS 3017 Electrical installations – Verification guidelines
Note on EN and IEC standards:
This operating manual contains references to European standards. All standards of the
series EN 6XXXX (e.g. EN 61010) correspond to the respective IEC standards with the
same number (e.g. IEC 61010). They only differ in the modified parts due to the
European harmonization procedures.
BENNING IT 130 Device description
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3 Device description
3.1 Front panel
Figure 3 1: Front panel.
Caption:
1
LCD
Matrix display with 128 x 64 pixels and background lighting
2
UP
Modifies selected parameters
3
4 TEST Start of measurement
PE contact electrode for protective conductor connection
5
ESC
Back / cancel
6
TAB
Selects parameters in the measuring function selected
7
Backlight,
Contrast Modifies background lighting and contrast
8 ON / OFF
Switches the tester on or off;
automatic switch-off ("APO") after 15 minutes without
pressing a key
9 HELP / CAL
Help function with connection diagrams
(press approx. 2 seconds for R LOW and ΔU)
For calibrating the test cables in the R LOW and
CONTINUITY function
Starts the ZREF measurement in the sub-function ΔU
voltage drop
10 Function selector switch Rotary switch for selecting the measuring functions,
"AUTO" switch position and "SETTINGS" mode
11 MEM Storage / recall of measuring results;
stores the settings of the current clamp adapter
12
Green / red LED
PASS / FAIL indication of the measuring results
BENNING IT 130 Device description
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3.2 Connection panel
Figure 3 2: Connection panel.
Caption:
1
Test connection
Measuring inputs / outputs
2
Charging jack
For charging rechargeable NiMh storage batteries
3
USB port
USB interface (1.1) for PC connection
4
Protective cover
5 C1 Measuring input for optional current clamp adapter BENNING
CC 1 / BENNING CC 2 / BENNING CC 3
6 PS/2 port
Serial RS232 interface for PC connection;
connection for optional BENNING luxmeter type B (044111) and
barcode scanner (009371)
Warnings!
The maximum admissible voltage between the testing terminals and earth is 550 V!
The maximum admissible voltage between the testing terminals is 550 V!
The maximum admissible voltage at the measuring input C1 is 3 V!
The maximum admissible short-term voltage of the external charger is 14 V!
BENNING IT 130 Device description
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3.3 Rear panel
12
3
Figure 3 3: Rear panel.
Caption:
1
Cover of the battery / fuse compartment
2
Information label
3
Screws for the battery / fuse compartment cover
Figure 3 4: Battery / fuse compartment.
Caption:
1
Fuse F1
M 315 mA / 250 V
2
Fuses F2 and F3
If one of the fuses F2 or F3 has blown, the
device must not be used anymore. In this
case, the device must be sent to BENNING for
inspection and repair.
3
Serial number label
4
Storage batteries / batteries
Size AA, alkaline / rechargeable NiMh,
quantity: 6 pieces
BENNING IT 130 Device description
- 17 -
Figure 3.5: Bottom view
Caption:
1
Information label
2
Carrying strap openings
3
Lateral co
vers
3.4 Carrying the installation tester
The installation tester can be carried in different ways by means of the accessories included in
the standard scope of delivery.
The tester can be hung
around the operator's neck by
means of the carrying strap.
It is also possible to carry the tester in the padded carrying
case and to use it in a horizontal position. The carrying
case is provided with an aperture for passing through the
test cable.
BENNING IT 130 Device description
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3.4.1 Attachment of the carrying strap
Please choose one of the two methods shown:
Figure 3.6: First method
Figure 3.7: Alternative method
Please check the carrying strap for safe fastening regularly.
BENNING IT 130 Device description
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3.5 Scope of delivery and optional accessories
3.5.1 Standard scope of delivery
1 x BENNING IT 130 installation tester
1 x padded carrying case (item no. 10008291)
1 x "Commander" test probe (switchable by means of "TEST" key) (item no. 044155)
1 x test cable with shock-proof plug (item no. 10008295)
1 x universal three-wire test cable (black, blue, green) (item no. 10008296)
1 x set of test probes (black, blue, green) (item no. 10008304 - 10008306)
1 x set of alligator clips (black, blue, green) (item no. 10008301 - 10008303)
1 x carrying strap (item no. 10008290)
1 x RS 232-PS/2 interface cable (item no. 10008313)
1 x USB interface cable (item no. 10008312)
6 x rechargeable NiMh storage batteries of size AA
2 x batteries of size AAA
1 x charger (item no. 10008308)
1 x CD-ROM with BENNING PC-WIN IT 130 logging software, operating manual and
quick reference guide in PDF format
1 x quick reference guide
1 x calibration certificate
BENNING IT 130 Device description
- 20 -
3.5.2 Optional accessories
Earthing kit
Earthing kit, 2 earth rods, 3 test cables,
2 x L = 20 m, 1 x L = 4.5 m
Item no.: 044113
Current clamp adapters
BENNING CC 1
, 1 A to 400 A AC
Output: 1 mV per 1 A
Item no.: 044037
BENNING CC 3, 0.2 A to 300 A AC / DC
Output: 1 mV / 10 mV per 1 A
Item no.: 044038
Luminous intensity sensor
BENNING
L
uxmeter type B
For the planning and installation of interior and exterior
lighting.
Item no.: 044111
"Commander" test plug
For shock-proof socket, switchable with "TEST" and
"MEM" keys, with "PASS" / "FAIL" indication by means
of green/red LED, PE contact electrode for detecting
the phase voltage at the protective conductor
connection (PE).
Item no.: 044149
CEE measuring adapter
16 A, 5-pin, for measuring the voltage and phase
sequence (rotary field) at 16 A CEE sockets.
Item no.: 044148
Measuring line (40 m)
40 m measuring line with rewinder and wrist strap, for
measuring protective conductor connections.
Item no.: 044039
Barcode scanner
Barcode scanner with PS/2 interface for identifying the
measuring point and renaming the storage location.
Item no.: 009371
BENNING IT 130 Measurements
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4 Operating the BENNING IT 130 installation tester
4.1 Indications and acoustic warning signals
4.1.1 Connection monitor
The connection monitor shows the voltages applied to the testing terminals as well as
information on active testing terminals in the AC mains.
The voltage applied is displayed together with the testing terminal indication.
All three testing terminals L, N and PE are used for the selected
measurement.
The voltage applied is displayed together with the testing terminal indication.
The testing terminals L and N are used for the selected measurement.
The testing terminals L and PE are active testing terminals. The testing
terminal N should be connected as well to show a correct input voltage.
The polarity of the testing voltage applied (R LOW, R ISO) is displayed at the
output terminals L and N.
4.1.2 Battery indication
The battery indication shows the current state of charge of the storage battery as well as
whether an external charger is connected.
Battery capacity indication
Low state of charge.
The storage battery's state of charge is too low to ensure correct measuring
results. Replace the batteries or recharge the storage batteries.
Charging in progress (with the charger being connected)
4.1.3 Warnings and messages
The following warnings and messages are displayed:
Warning! High voltage is applied to the testing terminals.
Warning!
Dangerous voltage at the PE connection! Immediately stop the
measuring process and eliminate the fault / the connection problem before
continuing with the measurement!
DC VOLTAGE!
Warning! Too high DC voltage (> 50 V DC) applied to the testing terminals!
The conditions at the input terminals allow starting the measurement. Please
observe further warnings and messages!
The conditions at the input terminals do not allow starting the measurement.
Please observe further warnings and messages!
Measurement is in progress. Please observe warnings that might be
displayed!
The tester is overheated. Measurements are interrupted until the internal
temperature has dropped below the admissible limiting value.
BENNING IT 130 Measurements
- 22 -
Results can be saved.
A high interference voltage has been detected during measurement. This
might result in incorrect measuring results.
L and N have been interchanged.
RCD has been tripped during measurement (in RCD functions).
Portable RCD (PRCD) has been selected (only for documentation purposes).
RCD of type EV (Electric Vehicle)
RCD of type MI (Mobile Installation)
The test cable resistance for low-impedance measurement / continuity test
has been compensated.
High earthing resistance of the measuring probes. This might result in
incorrect measuring results.
The current is too low for the accuracy specified. This might result in incorrect
measuring results. Please check in the current clamp adapter settings whether
the sensitivity of the current clamp adapter can be increased.
The measuring signal is outside the measuring range This might result in
incorrect measuring results.
Single fault in the IT network.
Fuse F1, F2 or F3 is defective.
If one of the fuses F2 or F3 has blown, the device must not be used anymore.
In this case, the device must be sent to BENNING for inspection and repair.
4.1.4 Evaluation field
The measuring result is within the preset limiting values (green LED).
The measuring result is outside the preset limiting values (red LED).
Measurement has been aborted. Please observe the warnings and messages
displayed.
4.1.5 Acoustic warning signals
Continuous
sound Warning! Dangerous voltage at the PE connection!
BENNING IT 130 Measurements
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4.1.6 Help menu ("HELP" key)
HELP
Opens the help menu.
Help menus are available for all measuring functions. The help menu contains graphic
connection diagrams showing how to connect the installation tester to the electrical installation.
After having selected the desired measuring function, press the "HELP" key to view the
corresponding help menu.
Keys used in the help menu
UP / DOWN
Selects the next / previous connection diagram
ESC / HELP /
function selector switch Use these keys to exit the help menu.
Figure 4 1: Connection diagrams of the help menu.
4.1.7 Background lighting and contrast
Use the key for background lighting and contrast to make the following settings:
press the key Activates the background lighting for approx. 10 seconds
Press and hold the key for
1 second
Switches the background lighting on permanently until the tester
switches off or the key is pressed again
Press and hold the key for
2 seconds Allows to set the LCD contrast
Figure 4 2: LCD contrast setting.
Keys used for contrast setting
UP
Increases the contrast
DOWN
Reduces the contrast
TEST
Applies the adjusted contrast
ESC
Exits the settings without any changes
BENNING IT 130 Measurements
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4.2 Function selector switch
The function selector switch is intended for selecting the
test and measuring functions
"AUTO" mode
"SETTINGS" mode
Key functions after having selected the test / measuring function:
UP / DOWN Selects the sub-function of the adjusted test / measuring function
(only for rotary switch positions R
LOW
, Z
I
, Z
S
, FI/RCD)
TAB
Selects the parameters and limiting values
TEST
Start of measurement
MEM
Storage / recall of the measuring results
ESC
Back / cancel
Key functions in the Parameters field:
UP / DOWN
Modifies the selected parameter
TAB
Selects the next parameter
MEM
Storage / recall of the measuring results
Parameters and limiting values for evaluating the measuring results:
Parameter,
limiting value
WITHOUT
No parameters / limiting values, indication: _ _ _.
ON Measuring results will be marked as "PASS" / "FAIL" according to
the parameters and limiting values set
Please find further information on how to use the test / measuring functions of the installation
tester in chapter 5. Measurements.
4.3 "AUTO" mode
Turn the function selector switch to the "AUTO" mode to select the test / measuring functions
carried out by means of the "Commander" test probe or the optional "Commander" test plug for
shock-proof sockets (044149).
Select the test / measuring function by means of the keys of the "Commander".
Please find a detailed description of the "Commander" test probe and the optional
"Commander" test plug for shock-proof sockets (044149) in Appendix C.
BENNING IT 130 Measurements
- 25 -
4.4 "SETTINGS" mode
Turn the measuring function selector switch to the "SETTINGS" mode in order to make the
following settings at the tester:
MEMORY
(recall data, delete data, delete entire
memory)
SELECT LANGUAGE (GB, D, E, F, NL)
SET DATE / TIME
EARTHING SYSTEM (TN/TT or IT network)
RCD TESTING (according to EN 61008 / EN 61009,
IEC 60364-4-41, BS 7671, AS/NZS 3017)
SET I
SC
FACTOR (0.20 - 3.00)
COMMANDER ON/OFF
INITIAL SETTINGS (reset to factory settings)
CLAMP settings (selection of the optional current clamp
adapters BENNING CC 1 (044037), BENNING CC 3
(044038))
Figure 4 3: .
"SETTINGS" mode
Keys used:
UP / DOWN
Selects the respective option
TEST
Confirms the selected option
ESC / function selector
switch
Back / cancel without any changes
4.4.1 Memory
In this menu, it is possible to recall stored data and
to delete the data of a measuring point or even the
entire memory.
Please refer to chapter 6 Management of
measured values
for further information.
Figure 4 4: Memory options .
Keys used:
UP / DOWN
Selects the respective option
TEST
Confirms the selected option
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
4.4.2 Language
In this menu, it is possible to select the respective
language.
Figure 4 5: Selecting the language .
BENNING IT 130 Measurements
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Keys used:
UP / DOWN
Selects the language
TEST
Confirms the selected language and returns to the Settings menu
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
4.4.3 Date and time
In this menu, it is possible to set the date and time.
Figure 4 6: .
Setting date and time
Keys used:
TAB
Selects the date / time field
UP / DOWN
Modifies the selected field
TEST
Confirms the change and returns to the Settings menu
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
Note:
If the batteries are removed for more than 1 minute, the date and time settings will be
lost.
4.4.4 Earthing system (power supply network)
In this menu, it is possible to set the available
earthing system (power supply network).
The following options are available:
TN / TT network
IT network
Figure 4 7: .
Selecting the earthing system
Keys used:
UP / DOWN
Selects the earthing system
TEST Confirms the selected earthing system and returns to the Settings
menu
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
BENNING IT 130 Measurements
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4.4.5 RCD testing
In this menu, it is possible to set the standard
used for RCD testing.
Figure 4 8: .
Selecting the RCD standard
Keys used:
UP / DOWN
Selects the standard
TEST
Confirms the selected standard and returns to the Settings menu
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
The maximum RCD tripping times vary from standard to standard.
The times specified in the individual standards are listed in the following.
By default, the tripping times in compliance with the EN 60364-4-41 standard are preset. The
EN 60364-4-41 standard defines different tripping times for TN/IT networks and TT networks as
can be seen in table 41.1.
Tripping times in compliance with : EN 60364-4-41
Uo ½ I
N
*)
I
N
2 I
N
5 I
N
TN/IT
≤120 V t
> 800 ms t
≤ 800 ms
t
< 150 ms t < 40 ms
≤230 V t
> 400 ms t
≤ 400 ms
TT ≤120 V t
> 300 ms t
≤ 300 ms
≤230 V t
> 200 ms t
≤ 200 ms
Uo: Nominal voltage of external conductor to earth
Example of a tripping time evaluation for I
N, Uo: ≤230 V
Setting Tripping time
t
Evaluation field
IEC 60364-4-41 TN/IT < 400 ms
400 ms <
t
< 999 ms
> 999 ms
IEC 60364-4-41 TT < 200 ms
200 ms <
t
< 999 ms
> 999 ms
Tripping times in compliance with EN 61008/EN 61009:
½ I
N
*) I
N 2 I
N
5 I
N
Standard RCDs
(undelayed) t
> 300 ms t
< 300 ms t
< 150 ms t
< 40 ms
Selective RCDs
(delayed) t
> 500 ms 130 ms< t
< 500 ms 60 ms< t
< 200 ms 50 ms< t
< 150 ms
Tripping times in compliance with BS 7671:
½ I
N
*) I
N 2 I
N
5 I
N
Standard RCDs
(undelayed) t > 1999 ms t
< 300 ms t
< 150 ms t
< 40 ms
Selective RCDs
(delayed) t > 1999 ms 130 ms< t
< 500 ms 60 ms< t
< 200 ms 50 ms< t
< 150 ms
BENNING IT 130 Measurements
- 28 -
Tripping times in compliance with AS/NZS 3017
**)
:
½ IN*) IN 2 IN 5 IN
RCD type I
N
[mA] t
t
t
t
Remark
I 10
> 999 ms
40 ms
40 ms
40 ms
maximum tripping time
II > 10 30 300 ms
150 ms
40 ms
III > 30 300 ms
150 ms
40 ms
IV
S
> 30 > 999 ms 500 ms
200 ms
150 ms
130 ms
60 ms
50 ms
minimum non-tripping time
*) Minimum testing time for a current of ½ IN, RCD must not trip
**) Testing current and measuring accuracy correspond to the requirements specified by
AS/NZS 3017
Maximum testing times and selected testing current for standard (undelayed) RCDs:
Standard ½ IN IN 2 IN 5 IN
EN 60364-4-41 1000 ms
1000 ms
150 ms
40 ms
EN 61008 / EN 61009 300 ms
300 ms
150 ms
40 ms
BS 7671 2000 ms
300 ms
150 ms
40 ms
AS/NZS 3017 (I, II, III) 1000 ms
1000 ms
150 ms
40 ms
Maximum testing times and selected testing current for selective (delayed) RCDs:
Standard ½ I
N
I
N 2 I
N
5 I
N
EN 60364-4-41 1000 ms
1000 ms
200 ms
150 ms
EN 61008 / EN 61009 500 ms
500 ms
200 ms
150 ms
BS 7671 2000 ms
500 ms
200 ms
150 ms
AS / NZS 3017 (IV) 1000 ms
1000 ms
200 ms
150 ms
4.4.6 Isc factor (scaling factor)
In this menu, it is possible to set the Isc factor
(scaling factor) for calculating the short-circuit
current (Ik) in the functions ZI (L-N/L) and Zs
(L-PE).
Figure 4 9: .
Selecting the Isc factor
Keys used:
UP / DOWN
Modifies the Isc factor
TEST
Confirms the adjusted Isc factor
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
The short-circuit current Ik in the power supply system is of particular importance for the
selection and testing of protective circuits (fuses, overcurrent protection devices, RCDs).
The default value of the Isc factor (Ik) is 1.00. The value has to be set according to local
requirements.
The Isc factor can be set within the range of 0.20 3.00.
BENNING IT 130 Measurements
- 29 -
4.4.7 Commander ON/OFF
In this menu, it is possible to enable or disable
the "Commander" (switchable test probe).
Figure 4 10: .
Selecting the "Commander" support
Keys used:
UP / DOWN
Selects Commander ON (enabled) / Commander OFF (disabled)
TEST
Confirms the selected option
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
Note:
The "Commander OFF" (disabled) option is intended for deactivating the operating keys
of the "Commander" (except for the background lighting key). It is useful to disable the
"Commander", if strong sources of interference might affect the correct functioning of the
"Commander".
4.4.8 Initial settings
In this menu, it is possible to reset the settings,
measuring parameters and limiting values of the
installation tester to their initial (factory) settings.
Figure 4 11: .
Initial settings dialog
Keys used:
UP / DOWN
Selects the option [YES, NO]
TEST
Confirms the selected option
ESC
Back / cancel to the Settings menu
Function selector
switch
Back / cancel to the selected measuring function
Note:
If the tester is reset to its initial (factory) settings, all settings made will be lost!
If the batteries are removed for more than 1 minute, all settings made will be lost.
The initial (factory) settings are defined as follows:
Settings of the tester
Defaul
t setting
Language German
Contrast 50 %
Earthing system TN / TT
Isc factor 1.00
RCD standards EN 60364-4-41
"Commander" test probe ON
Current clamp settings BENNING CC 3
BENNING IT 130 Measurements
- 30 -
Measuring function
Parameter / limiting value
Sub
-
function
RE No limiting value
R ISO without limiting value,
nominal testing voltage: 500 V
R LOW No limiting value
CONTINUITY No limiting value
ZI (L-N/L) line impedance Fuse type: none selected
ΔU voltage drop ΔU: 4.0 %, Z
REF
: 0.00
Zs (L-PE) loop impedance Fuse type: none selected
Zsrcd Fuse type: none selected
RCD RCD t
Nominal differential current: I
N=30 mA
RCD type: AC, undelayed
Testing current with initial polarity: (0 )
Limiting value for contact voltage: 50 V
Nominal differential current multiplier: 1
Note:
It is also possible to reset the tester to its initial (factory) settings by pressing the "TAB"
key when simultaneously switching the tester on.
4.4.9 Clamp settings
In the CLAMP settings menu, it is possible
to configure the C1 measuring input to the
current clamp adapter used.
Figure 4 12: .
Configuring the current clamp measuring input
Setting parameters:
Type
BENNING CC 1
Measuring range
400 A AC
Type
BENNING CC 3
Measuring range
40 A / 300 A AC / DC
Selecting the parameters
Keys used:
UP / DOWN
Selects the respective options
TEST
Confirms the selected option
MEM
Saves the settings
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
BENNING IT 130 Measurements
- 31 -
Modifying the selected parameters
Keys used:
UP / DOWN
Modifies the selected parameter
TEST
Confirms the selected parameter
MEM
Saves the settings
ESC
Back / cancel to the Settings menu
Function selector switch
Back / cancel to the selected measuring function
Note:
Please pay attention to the measuring range of the installation tester. The measuring
range of the current clamp might be higher than that of the installation tester.
BENNING IT 130 Measurements
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5 Measurements
5.1 TRMS voltage, frequency and phase sequence
The voltages applied to the testing terminals are permanently displayed by means of the
connection monitor. In the VOLTAGE TRMS measuring range (true RMS voltage value), the
measured values for voltage (AC/DC) and frequency as well as the phase sequence (rotary
field) detected can be saved. The measurements are carried out in compliance with the
EN 61557-7 standard.
Key function as described in chapter
4.2 Function selector switch
Figure 5.1:
Voltage in a single-phase system
Testing parameters
It is not necessary to set any parameters.
Connection plan
Figure 5 2: Connection of the three-wire test cable and the .
optional CEE measuring adapter (044148) in a three-phase system
^
Figure 5 3: Connection of the optional "Commander" test plug (044149) and the three-wire test .
cable in a single-phase / three-phase system
BENNING IT 130 Measurements
- 33 -
How to perform voltage measurements
Select the
V



function by means of the function selector switch. The display shows
VOLTAGE TRMS.
Connect the test cables to the test object (see figure 5.2 and figure 5.3).
Save the measuring result by pressing the " " key. MEM
The measurement is performed immediately after the function has been VOLTAGE TRMS
selected.
Figure 5 4: Examples for voltage measurements in single-phase and three-phase systems .
Results displayed for single-phase systems:
Uln ........... voltage between phases and neutral conductor
Ulpe ......... voltage between phase and protective conductor
Unpe ........ voltage between neutral and protective conductors
f ................ frequency
Results displayed for three-phase systems:
U12........... voltage between testing terminals L1 and L2
U13........... voltage between testing terminals L1 and L3
U23........... voltage between testing terminals L2 and L3
1.2.3 ......... correct connection – clockwise phase sequence
3.2.1 ......... wrong connection – counter-clockwise phase sequence
f ................ frequency
Results displayed for IT systems:
U12........... voltage between testing terminals L1 and L2
U1pe ........ voltage between testing terminals L1 and PE
U2pe ........ voltage between testing terminals L2 and PE
f ................ frequency
BENNING IT 130 Measurements
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5.2 Insulating resistance
The measurement of the insulating resistance is performed in order to prove the proper
condition of the insulation and in order to exclude electrical danger.
Typical applications are the following cases:
Insulating resistance between the active conductors (L/N) of an installation and the
protective conductor / earth (PE) => protection against electric shock,
Insulating resistance between the active conductors (L/N) of an installation => protection
against short-circuit (over-current) and guarantee of the functional safety,
Insulating resistance of non-conductive rooms (walls and floors),
Insulating resistance of earthing cables and
Resistance of semiconductive (antistatic) floors.
Key function as described in chapter
4.2 Function selector switch
Figure 5 5: .
Insulating resistance
Testing parameters
Uiso
Nominal testing voltage
[50 V, 100 V, 250 V, 500 V, 1000 V]
Limiting value Minimum insulating resistance [without limits (---), 0.01 M
÷ 200 M
]
Connection plan
Figure 5 6: Connection of the three-wire test cable and the "Commander" test probe .
BENNING IT 130 Measurements
- 35 -
How to perform insulating resistance measurements
Select the R ISO function by means of the function selector switch.
Set the required testing voltage and the limiting value (optional).
Make sure that the test object is free of voltage and discharge available capacities.
Connect the test cables to the test object (see figure 5.6).
Press the " " key to start the measurement. Double-click the " " key (M flashes) TEST TEST
to perform a continuous measurement. Press the key again to finish the measurement.
After measurement, wait until the test object is completely discharged.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5 Example of an insulating resistance measurement .7:
Results displayed:
R .............. insulating resistance
Um ........... testing voltage (actual value)
Attention:
Measurements of the insulating resistance must be carried out only at test objects which
are free of voltage!
Disconnect all loads and close all switches for measuring the insulating resistance
between conductors of the installation.
Do not touch the test object during measurement and before it is completely discharged!
There is danger of a life-threatening electric shock!
If the insulating resistance measurement is carried out on a capacitive object, automatic
discharging might take place time-delayed. The warning symbol and the actual voltage
will be displayed during discharging.
Do not connect the test cables to external voltages higher than 550 V (AC or DC) in
order not to damage the BENNING IT 130 installation tester!
BENNING IT 130 Measurements
- 36 -
5.3 Low-impedance resistance / continuity test
The measurement of the low-impedance resistance / continuity test is intended for testing the
protective conductor, earthing conductor and equipotential bonding conductor connections of an
electrical installation.
Two sub-functions are available:
R LOW resistance measurement in compliance with EN 61557-4 with a testing
current of 200 mA and polarity reversal
CONTINUITY – continuous continuity test with a reduced testing current of 7 mA.
Key function as described in chapter
4.2 Function selector switch
Figure 5 : Low-impedance .8
resistance RLOW Ω with a testing
current of 200 mA
Testing parameters
Test
Sub
-
function
[R LOW, ] CONTINUITY
Limiting value
Maximum resistance
[without limits (---), 0.1 Ω ÷ 20.0 Ω]
Additional testing parameter for continuity test sub-function:
Buzzer
ON (sounds if the resistance is lower than the limiting value set) or OFF
5.3.1 Low-impedance resistance with a testing current of 200 mA
The resistance measurement is performed with automatic polarity reversal of the testing
voltage.
Connection plan
Figure 5 Connection of the three-wire test cable and the .9:
optional 40 m measuring line BENNING TA 5 (044039)
BENNING IT 130 Measurements
- 37 -
How to perform low-impedance measurements R LOW
Select the R LOW function by means of the function selector switch.
Set the sub-function to R LOW.
Set the limiting value (optional).
Connect the test cables to the installation tester and compensate the test cable
resistance, if necessary (see section 5.3.3 Compensation (null balance) of the test cable
resistance).
Make sure that the test object is free of voltage and discharge available capacities.
Connect the test cables to the test object (see figure 5.9).
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5.10: Example of a low-impedance measurement RLOW
Results displayed:
R .............. R LOWΩ – low-impedance resistance
R+ ............ partial result at positive polarity
R- ............. partial result at negative testing polarity
5.3.2 Continuity test with a testing current of 7 mA
This test function can be compared to the continuity test function of a digital multimeter or of a
continuity tester with low testing current. The continuous test is done without polarity reversal
and can be used for testing inductive components.
Connection plan
Figure 5 11 Using the "Commander" test probe and the three-wire test cable .:
BENNING IT 130 Measurements
- 38 -
How to perform continuity tests
Select the R LOW function by means of the function selector switch.
Set the sub-function to CONTINUITY.
Set the limiting value (optional).
Connect the test cables to the installation tester and compensate the test cable resistance,
if necessary (see section 5.3.3 Compensation (null balance) of the test cable resistance).
Make sure that the test object is free of voltage and discharge available capacities.
Connect the test cables to the test object (see figure 5.11).
Press the "TEST" key to start the measurement.
Press the "TEST" key again to stop the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5 : Example of a continuity test.12
Result displayed:
R .............. resistance
5.3.3 Compensation (null balance) of the test cable resistance
This chapter describes how to compensate the test cable resistance in the low-impedance
measurement (R LOWΩ) and continuity test (CONTINUITY) functions. Compensation is
necessary, because the test cable resistance and the internal resistance of the installation
tester might influence the measuring result. The compensation of the test cables is particularly
required when using measuring lines of different lengths.
The icon is displayed, if the test cable resistance has been compensated successfully.
Connection plan
Figure 5 Shorted test cables .13:
How to carry out compensation
Select the R LOWΩ CONTINUITY or function.
Connect the test cables to the installation tester and short-circuit the test cables (see figure
5.13.)
Press the "TEST " key to perform the resistance measurement.
Press the " CAL " key to compensate the test cable resistance.
Figure 5 : Result before calibration Figure 5 15: Result after calibration .14 .
BENNING IT 130 Measurements
- 39 -
Note:
The highest value for test cable compensation is 5 . If the resistance is higher, the
compensation value will be reset to the default value.
The icon is displayed, if the test cable resistance has not been compensated.
BENNING IT 130 Measurements
- 40 -
5.4 RCD testing
The testing of RCDs in RCD-protected installations requires various tests and measurements.
The measurements are based on the EN 61557-6 standard.
The following measurements and tests can be performed:
Contact voltage, tripping time, tripping current and
Automatic RCD testing
Key function as described in chapter
4.2 Function selector switch
Figure 5 : .16
RCD tests
Testing parameters
Test
Sub
-
function
[ , , Uc RCDt RCD I AUTO, ]
I
N Nominal tripping differential current I
N
[10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA]
RCD
type
Type
[AC, A, F, B, B+]
Initial polarity [ , , , , , ]
Properties
[selective , standard undelayed , PRCD, PRCD-S, PRCD-K,
EV RCD, MI RCD].
MUL
Multiplier of testing current [½x, 1x, 2 x, 5xI N ]
Ulim
Limiting value of contact voltage
[25 V, 50 V]
Note:
The limiting value of the contact voltage can be set only in the Uc sub-function.
Selective (delayed) RCDs have delayed tripping times. As the contact voltage
measurement and other RCD tests influence delayed RCDs, it takes a certain time until
they have returned to their normal condition. For this reason, a time delay of 30 seconds
is added before the standard tripping test is performed.
During testing of some portable PRCDs (e.g. PRCD-K) in which the protective conductor
is guided through the converter in opposite direction, this portable RCD trips already at
the 0.5-fold value of the nominal tripping differential current. The installation tester
evaluates the early tripping as "accidental tripping" and aborts the test without any
measuring result. If this test has been carried out with a positive result, i.e. it has been
proven that the portable PRCD trips at the 0.5-fold value of the nominal tripping
differential current and thus the protective conductor is not interrupted, it is possible to
continue the test by changing the contacting of the protective conductor. In this case, it
is necessary to establish a contact to the protective conductor (PE) of an adjacent
socket instead of establishing a contact to the protective conductor (PE) of the coupling
socket for further testing. Then, the test can be performed just as for an ordinary RCD.
Testing of the AC function of the RCDs of types EV and MI is performed in the same
way as for a general (non-delayed) RCD.
BENNING IT 130 Measurements
- 41 -
Testing of the DC function of the RCDs of types EV and MI is performed by means of a
DC current and it considered to be passed if the tripping current is between 0.5 x und 1.0
x INDC .
Connection plan
Figure 5 7 Connection of the optional "Commander" test plug (044149) .1 :
and the three-wire test cable
5.4.1 Contact voltage (Uc)
Leakage current flowing to earth via the protective conductor connection causes a voltage drop
at the earthing resistance, i.e. a voltage difference between the PE equipotential bonding and
earth. This voltage difference is called contact voltage and is applied to all accessible
conductive parts connected to protective earth (PE). The contact voltage always should be
lower than the maximum admissible contact voltage. Contact voltage is measured with a testing
current lower than ½ IN in order to avoid tripping of the RCD and then to be normalized to the
nominal value IN.
How to perform contact voltage measurements
Select the FI/RCD function by means of the function selector switch.
Set the sub-function to . Uc
Set the testing parameters.
Connect the test cables to the test object (see figure 5.17).
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
The contact voltage displayed refers to the rated differential current of the RCD and is
multiplied with an appropriate factor for safety reasons.
The factor 1.05 is applied in order to
avoid a negative tolerance of the result.
Table 5.1 describes how the contact voltage is
calculated.
RCD type
Contact voltage Uc
proportional to Nominal value I
N
AC, EV/MI (AC part)
1.05 I
N
any
AC
2 1.05 I N
A, F 1.4 1.05 I 
N
30 mA
A, F 2 1.4 1.05 I N
A, F 2 1.05 I 
N
<30 mA
A, F 2 2 1.05 I  N
B, B+
2 1.05 I 
N
any
B, B+
2 2 1.05 I  N
Table 5 1: Relation between Uc and I .
N
BENNING IT 130 Measurements
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The loop resistance is a purely indicative value and is calculated from the contact voltage
(without additional proportional factors).
N
C
L
I
U
R
.
Figure 5 8 Example of a contact voltage measurement.1 :
Results displayed:
Uc ........ contact voltage
RL ........ loop resistance (fault loop resistance)
5.4.2 Tripping time (RCDt)
The tripping time measurement serves to test the sensitivity of the residual current protection
devices (RCDs) at different nominal tripping differential currents I N .
How to perform tripping time measurements
Select the FI/RCD function by means of the function selector switch.
Set the sub-function to . RCDt
Set the testing parameters.
Connect the test cables to the test object (see figure 5.17).
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5 9: Example of a tripping time measurement.1
Result displayed:
t ............ tripping time
Uc ........ contact Voltage
5.4.3 Tripping current (RCD I)
For tripping current measurement, a continuously increasing fault current serves to determine
the limiting sensitivity for RCD tripping. The installation tester increases the fault current in small
steps within the whole range as follows:
Norm , (SETTINGS mode EN 60364-4-41  RCD TESTING):
RCD type
Increasing fault
current
Curve
shape
Initial value
Final value
AC
,
EV
/
MI (AC part)
0,1 I
N
1,1 I
N
sinusoidal
A, F (I
N
30 mA) 0,1 I
N
1,5 I
N
pulsating
A, F (I
N = 10 mA) 0,1 I N 2,2 I N
B, B+
, EV
/MI (D
C part)
0,1 I
N
2,2 I
N
DC
BENNING IT 130 Measurements
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How to perform an automatic test
Steps of the automatic test
Note
Select the function by means of the function selector FI/RCD
switch.
Set the sub-function to . AUTO
Set the testing parameters.
Connect the test cables to the test object (see figure 5.17).
Press the "
TEST
" key to start the measurement. Start of test
Testing with I
N, 0 (step 1) RCD should trip
Activating the RCD
Testing with I
N, 180 (step 2) RCD should trip
Activating the RCD
Testing with 5 I
N, 0 (step 3) RCD should trip
Activating the RCD
Testing with 5 I
N, 180 (step 4) RCD should trip
Activating the RCD
Testing with ½ I
N, 0 (step 5) RCD must not trip
Testing with ½ I
N, 180 (step 6) RCD must not trip
Tripping current test, 0 (step 7) RCD should trip
Activating the RCD
Tripping current test, 180 (step 8) RCD should trip
Activating the RCD
Save the measuring result by pressing the "
MEM
"
key
(optional).
End of test
Example of the test steps:
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Figure 5 : Test steps of the automatic test .21
BENNING IT 130 Measurements
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Top
Bottom
Figure 5 : The "HELP" key toggles between the upper .22
and the lower part of the result field.
Results displayed:
x1 ......... step 1 tripping time (I =IN , 0º)
x1 ......... step 2 tripping time (I =IN , 180º)
x5 ......... step 3 tripping time (I =5 I N , 0º)
x5 ......... step 4 tripping time (I =5 I N , 180º)
........ step 5 tripping time (I =½ I N , 0º)
........ step 6 tripping time (I =½ I N , 180º)
I ........... step 7 tripping current (0º)
I ........... step 8 tripping current (180º)
Uc ........ contact voltage for nominal value I N
Notes:
The automatic test will be stopped immediately, if any invalid condition is detected, e.g.
exceedance of the maximum admissible contact voltage or a tripping time outside the
admissible range.
During the automatic testing of RCDs of the types A and F with nominal tripping
differential currents of 300 mA, 500 mA and 1000 mA, the test of 5 I N will not be
carried out. In this case, the test shall be passed, if all other test have been passed.
The tripping current measurement (I , steps 7 and 8) is not carried out for selective
RCDs.
In the automatic test, the tripping time of RCDs of types B and B+ is measured with a
sinusoidal testing current. The tripping current is measured with a smooth DC fault
current.
BENNING IT 130 Measurements
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5.5 Loop impedance and prospective short-circuit current
The loop impedance is a complex AC current resistance within a fault loop (earth fault L-PE)
consisting of current source, external conductor and protective conductor. The installation tester
measures the impedance of the loop and calculates the short-circuit current. The measurement
complies with the requirements specified in the EN 61557-3 standard.
Key function as described in chapter
4.2 Function selector switch
Figure 5 : .23
Loop impedance
Testing parameters
Test
Selects the loop impedance sub-function [ , ] Zloop Zsrcd
Fuse type
Selects the fuse type [---, gL/gG, B, C, K, D]
Nominal current
Nominal current
of the fuse
Tripping time
Maximum tripping time of the fuse
Lim (limiting
value)
Lower limit of the prospective short-circuit current
See Appendix A "Fuse table".
Connection plan
Figure 5 : Connection of the optional "Commander" test plug (044149) .24
and the three-wire test cable
BENNING IT 130 Measurements
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How to perform loop impedance measurements
Select the ZS (L-PE) [English: Z LOOP (L-PE)] function by means of the function selector
switch.
Set the sub-function to or (for systems with RCDs). Zloop Zsrcd
Set the testing parameters.
Connect the test cables to the test object (see figure 5.24).
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5 : Example of a loop impedance measurement.25
Results displayed:
Z ............... loop impedance
Isc ............ prospective short-circuit current
Lim ........... lower limit of the prospective short-circuit current
The prospective short-circuit current I SC is calculated as follows:
Z
kUn
I
SC
SC
with:
Un ......... nominal voltage L-PE (see table below),
ksc ........ correction factor for short-circuit current Isc (see chapter 4.4.6 Isc factor (scaling
factor))
U
n
Voltage range (L
-
PE)
110 V
(93 V U
L
-
PE
 134 V)
230 V
(185 V U L-PE  266 V)
Notes:
High fluctuations of the nominal voltage might influence the measuring results ( icon
on the LC display). In this case, it is recommended to repeat the measurements and to
check whether the measuring results are stable.
The loop impedance measurement Zloop trips the residual current protection devices
(RCDs).
Select the Zsrcd measurement in order to prevent the tripping of a residual current
protection device (RCD).
BENNING IT 130 Measurements
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5.6 Line impedance and prospective short-circuit current /
voltage drop
The line impedance is a complex AC resistance within a current loop (short-circuit L-N or L-L)
consisting of current source, external and neutral conductor (single-phase system) or between
two external conductors (three-phase system).
The line impedance measurement complies with the requirements specified in the EN 61557-3
standard.
The "voltage drop" sub-function is intended to check whether a voltage in an electrical
installation remains above an admissible value, if the maximum nominal current of the upstream
fuse is flowing in the circuit. The limiting values are described in the EN 60364-5-52 standard.
Sub-functions:
Zline – line impedance measurement in compliance with EN 61557-3 and
ΔU – voltage drop measurement
Key function as described in chapter
4.2 Function selector switch
Figure 5 : .26
Line impedance
Figure 5 : .27
Voltage drop
Testing parameters
Test
Sub-functions [ ], [ ] Zline ΔU
Fuse type
Selects the fuse type [---, gL/gG, B, C, K, D]
Nominal current
Nominal current
of the fuse
Tripping time
Maximum tripping time of the fuse
Lim (limiting value)
Lower limit of the prospective short-circuit current
See Appendix A "Fuse table".
Additional testing parameter for voltage drop measurement:
Δ
U
MAX
Maximum vo
ltage drop
[3.0 % ÷ 9.0 %]
BENNING IT 130 Measurements
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5.6.1 Line impedance and prospective short-circuit current
Connection plan
Figure 5.28 Connection of the optional "Commander" test plug (044149) :
and the three-wire test cable
How to perform line impedance measurements
Select the ZI (L-N/L) [English: ZLINE (L-N/L)] function by means of the function selector
switch.
Set the sub-function to . Zline
Set the testing parameters.
Connect the test cables to the test object (see figure 5.28).
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5 : Example of a line impedance measurement.29
Results displayed:
Z ............... line impedance
Isc ............ prospective short-circuit current
Lim ........... lower limit of the prospective short-circuit current
The prospective short-circuit current is calculated as follows:
Z
kUn
I
SC
SC
with:
Un .......nominal voltage L-N or L1-L2 (see table below),
ksc ......correction factor for short-circuit current Isc (see chapter 4.4.6 Isc factor (scaling factor))
U
n
Voltage range (L-N or L1-L2)
110 V (93 V UL-N 134 V)
230 V (185 V U
L
-
N
266 V)
400 V (321 V UL-L 485 V)
BENNING IT 130 Measurements
- 50 -
Note:
High fluctuations of the nominal voltage might influence the measuring results ( icon
on the LC display). In this case, it is recommended to repeat the measurements and to
check whether the measuring results are stable.
5.6.2 Voltage drop
Voltage drop calculation is based on the difference between the line impedance at the
measuring point (e.g. socket) and the line impedance at the reference point (e.g. distribution).
Connection plan
Figure 5.30 Connection of the optional "Commander" test plug (044149) :
and the three-wire test cable
How to perform voltage drop measurements
Step 1: Measuring the impedance Zref at the reference point
Select the ZI (L-N/L) [English: ZLINE (L-N/L)] function by means of the function selector
switch.
Set the sub-function to . ΔU
Set the testing parameters.
Connect the test cables to the test object (see figure 5.30).
Press the "CAL" key to start the measurement.
Step 2: Measuring the voltage drop at the measuring point
Set the sub-function to . ΔU
Set the testing parameters (the fuse type has to be selected).
Connect the test cables to the test object (see figure 5.30).
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Step 1 - Zref Step 2 - Voltage drop
Figure 5.31: Example of a voltage drop measurement
BENNING IT 130 Measurements
- 51 -
Results displayed:
ΔU ............ voltage drop
Isc ............ prospective short-circuit current
Z ............... line impedance at the measuring point
Zref .......... line impedance at the reference point
The voltage drop is calculated as follows:
 
100
)
(
% 
N
NREF
U
I
Z
Z
U
with:
ΔU ........ calculated voltage drop
Z ........... line impedance at the measuring point
ZREF ...... line impedance at the reference point
IN .......... nominal current of the fuse
UN ......... nominal voltage (see table below)
Un Voltage range (L-N or L1-L2)
110 V (93 V U
L
-
N
 134 V)
230 V (185 V U L-N 266 V)
400 V (321 V U
L
-
L
 485 V)
Notes:
If the reference impedance is not set, Z REF is assumed to be 0.00 Ω.
The Z REF value is deleted (set to 0.00 Ω) by pressing the "CAL" key, if the installation
tester is not connected to a voltage source.
The I SC value is calculated as described in chapter 5.6.1 "Line impedance and
prospective short-circuit current".
If the voltage measured is outside the ranges listed in the table above, the ΔU value will
not be calculated.
High fluctuations of the nominal voltage might influence the measuring results ( icon
on the LC display). In this case, it is recommended to repeat the measurements and to
check whether the measuring results are stable.
BENNING IT 130 Measurements
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5.7 Earthing resistance
An adequate and reliably effective earth connection is an important prerequisite for the correct
functioning and safety of electrical installations.
In combination with the optional earthing kit (044113), it is possible to perform earthing
resistance measurements at main earthing systems, lightning arresters and local earth
connections. The measurement complies with the EN 61557-5 standard.
Earthing resistance measurement is performed using the three-wire measuring method by
means of two earth rods.
Key function as described in chapter
4.2 Function selector switch
Figure 5.32: Earthing resistance
Testing parameters
Limit
ing
value
Maximum resistance
[without limits (---), 1 Ω ÷ 5 kΩ]
How to perform earthing resistance measurements
Select the RE function by means of the function selector switch. The display shows EARTH
RE.
Set the limiting value (optional).
Connect the test cables to the test object (see figure 5.33 and 5.34)
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Connection plan
Figure 5.33 Connection of the optional earthing kit (: 044113)
– Measurement of the main earthing system
BENNING IT 130 Measurements
- 53 -
Figure 5.34 Connection of the optional earthing kit (: 044113)
– Measurement at the lightning arrester
Figure 5.35: Example of an earthing resistance measurement
Results displayed:
R .............. earthing resistance
Rp ............ resistance of the S probe, probe resistance (potential)
Rc ............ resistance of the H probe, auxiliary earth electrode resistance (current)
Notes:
An excessive resistance of the S and H probes might influence the measuring results. In
this case, the warnings “Rp” and “Rc” will be displayed. The results will not be evaluated
with "PASS" / "FAIL".
High parasitic currents and interference voltages might influence the measuring results.
In this case, the tester displays the warning.
The probes must be positioned with sufficient distance from the test object. The distance
between the earth connection (E/ES) and the probe (H) should be at least five times
larger than the depth or length of the earth connection (see figures 5.33 and 5.34).
BENNING IT 130 Measurements
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5.8 Testing the protective conductor connection (PE)
In case of new or modified installations, it might happen that the protective conductor (PE) and
the external conductor L (phase) have been accidentally reversed. This is a very dangerous
situation! For this reason, it is important to check whether a dangerous phase voltage is applied
to the protective conductor connection.
The test of the protective conductor connection is performed automatically for the ZIine (L-N/L) ,
Zloop (L-PE) RCD and measuring functions by touching (> 1 second) the silver "TEST" key of
the installation tester, of the "Commander" test probe or the optional "Commander" test plug
(044149).
Examples of incorrect wiring of the protective conductor connection (PE)
Figure 5.36 Reversed L and PE conductors – Phase voltage at the PE conductor is detected :
by touching the "TEST" key of the "Commander" test plug (optional).
Figure 5.37: Reversed L and PE conductors – Phase voltage at the PE conductor is detected
by touching the "TEST" key of the installation tester
Testing the protective conductor connection (PE)
BENNING IT 130 Measurements
- 55 -
Select the ZI (L-N/L) [English: Z LINE], ZS (L-PE) [English: Z LOOP ] or function by FI/RCD
means of the function selector switch.
Connect the test cables to the test object (see figure 5.36 and 5.37).
Touch the silver contact electrode of the "TEST" key for at least two seconds.
If phase voltage is connected to the PE connection, the warning is shown on the
LC display of the installation tester and the buzzer sounds. Further measurements in
the and Zloop (L-PE)) RCD functions are blocked.
Warning:
If the phase voltage is detected at the protective conductor connection (PE), immediately
stop all measurements and make sure that the fault will be eliminated.
Notes:
The protective conductor connection can only be tested in the ZI (L-N/L) [English: Z LINE],
ZS (L-PE) [English Z LOOP ] or positions of the function selector switch. FI/RCD
A phase voltage at the protective conductor will not be detected, if the operator's body is
completely insulated from the floor or the walls!
See Appendix C "Commander".
BENNING IT 130 Measurements
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5.9 TRMS current by means of current clamp adapter
This function allows the measurement of load currents and leakage currents by means of the
optional current clamp adapters BENNING CC 1 and BENNING CC 3 using the TRMS (TRUE
RMS) measuring method. This measuring method guarantees correct measuring results even in
case of non-sinusoidal signals.
Key function as described in chapter
4.2 Function selector switch
Figure 5.38:
Current
Connection plan
Figure 5.39 Connection of the optional current clamp adapter BENNING CC 1:
or BENNING CC 3
How to perform current measurements
Set the current clamp adapter as described in chapter 4.4.9 and connect it to measuring
input C1.
Select the
A
function by means of the function selector switch. The display shows
CURRENT.
Clamp the single-wire conductor by means of the current measuring clamp (see figure
5.39).
Press the "TEST" key to start the measurement.
Press the "TEST" key again to stop the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5.40: Example of a current measurement
Result displayed:
I ............... current
BENNING IT 130 Measurements
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5.10 Single-fault leakage current (ISFL) in IT networks
The IT system is a power supply network which is insulated from the protective conductor. It is
an ungrounded power supply network. Either the network is not connected to earth directly or it
is connected to earth via a relatively high impedance. It is mainly used in areas requiring
additional protection against electrical accidents. A typical area of application are medical
operating rooms.
A first insulation fault between an external conductor and earth represents earthing of this
conductor. In this case, there is neither a potential difference between conductive housings and
earth nor an electric circuit to the transformer closed via earth.
The measurement of the single-fault leakage current is carried out in order to measure the
maximum current which might flow from the tested line (external conductor) to the protective
conductor. This current flows through the insulating resistance and the phase-to-earth
capacities between the other lines (external conductors) and the protective conductor, if the
single fault is applied as short-circuit between the tested line and PE.
Key function as described in chapter
4.2 Function selector switch
Figure 5.41:
Single-fault leakage current (ISFL)
Testing parameters
Limiting value
Maximum single-fault leakage current [without limits (---), 3.0 mA ÷ 20.0 mA]
Connection plan
Figure 5.42: Connection of the three-wire test cable
BENNING IT 130 Measurements
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5.11 Luminous intensity
Luminous intensity measurement can be used for the planning and installation of interior
and exterior lighting systems. The optional BENNING luxmeter type B (044111) is
connected to the RS232 interface.
Key function as described in chapter
4.2 Function selector switch
Figure 5.45:
Luminous intensity
Testing parameters
Limiting
value
Minimum illumination [without limits (---), 0.1 lux ÷ 20 klux]
Sensor positioning
Figure 5.46 Positioning of the luxmeter :
How to perform luminous intensity measurements
Select the function by means of the function selector switch. The display shows LUX
SENSOR.
Set the limiting value (optional).
Connect the luxmeter to the PS/2 port of the installation tester.
Switch the luxmeter on and position it underneath the light source (see figure 5.46).
Press the "TEST" key to start the measurement.
Save the measuring result by pressing the " " key (optional). MEM
Figure 5.47: Example of a luminous intensity measurement
Result displayed:
E ............... luminous intensity
BENNING IT 130 Measurements
- 60 -
Notes:
Shadows and irregular exposure to light might influence the measuring result!
Artificial light sources reach their full capacity (see Technical Data of the light sources)
only after a certain time and therefore should be switched on until they reach this
capacity before carrying out measurements.
BENNING IT 130 Management of measured values
- 61 -
6 Management of measured values
6.1 Memory structure
After measurement, the measuring results including all relevant measuring parameters can be
stored in the memory of the installation tester.
The memory of the installation tester is divided into four levels with each level offering 199
storage locations. The number of measurements which can be stored in one storage location is
not limited.
The installation structure field describes the storage location of the measurement (which object,
block, fuse and measuring point) and how it can be accessed.
The measuring result field provides information on the type and number of measurements
belonging to the selected storage location (object, block, fuse and measuring point).
Figure 6 1: Installation structure field and measuring result field.
The memory structure offers the following advantages
The measuring results can be structured and stored corresponding to a typical electrical
installation.
The structure of the electrical system to be tested can be created by means of the PC
software BENNING PC-Win IT 130 and can be transmitted to the BENNING IT 130
installation tester (upload of installation structures).
Easy browsing through installation structures and corresponding measuring results
Test reports and test certificates can be created by means of the BENNING PC-Win
IT 130 logging software after the measuring results have been downloaded to a PC.
Installation structure field
Memory menu
Installation structure field
1
st
level:
OBJECT: Default name of the storage location
001: No. of the storage location
2
nd
level:
BLOCK: Default name of the storage location
002: No. of the storage location
3
rd
level:
FUSE: Default name of the storage location
003: No. of the storage location
4
th
level:
CONNECTION (measuring point): Default name of the
storage location
004: No. of the storage location
Number of measurements stored in the selected storage
location
[number of measurements stored in the selected storage
location and in subordinate storage locations]
BENNING IT 130 Measurements
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Measuring result field
Type of measurement stored in the selected storage location
No. of the selected measurement / number of all
measurements for each storage location
Example of a typical installation structure in the BENNING IT 130 installation tester:
[OBJ] OBJECT 001
[BLO] BLOCK 001
[FUS] FUSE 001
[CON] MEASURING POINT 001
No.: 1/3
R ISO
Example of a customer-specific installation structure in the BENNING IT 130 installation
tester:
[OBJ] Customer Meyer
[BLO] Distributor of ground floor
[FUS] F1 kitchen
[CON] Socket 1
No.: 1/3
R ISO
Note:
The customer-specific installation structure has been created by means of the BENNING PC-
Win IT 130 logging software and then downloaded to the BENNING IT 130 installation tester.
Once created, installation structures can be stored in the BENNING PC-Win IT 130 logging
software and transmitted once again to the installation tester for periodic testing.
BENNING IT 130 Measurements
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6.2 Saving measuring results
After measurement, the measuring results and the corresponding parameters can be saved
( icon appears on the LC display). Press the " " key to enter the memory menu. MEM
Figure 6 2: Memory menu .
FREE: 96.3%
Free memory capacity for saving measuring results
Keys used in the installation structure field:
TAB
Selects the storage location (object / block / fuse / measuring point)
UP / DOWN
Selects the no. of the selected storage location (1 to 199)
MEM
Saves the measuring results to the selected storage location
ESC / TEST /
function selector switch
Back / cancel without saving
Notes:
The installation tester automatically suggests the last selected storage location for
saving a new measuring result.
If you want to save the measuring result to the same storage location as the previous
one, press the "MEM" key twice.
BENNING IT 130 Measurements
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6.3 Recalling measuring results
Press the " " key, if there is no measuring result for saving yet, or select " ", MEM MEMORY
"RECALL RESULTS SETTINGS" in the " " menu.
Figure 6 3: .
Recall memory menu
– installation structure field selected
Figure 6 4: .
Recall memory menu
– measuring result field selected
Keys used in the installation structure field:
TAB Selects the storage location (object / block / fuse / measuring
point)
UP / DOWN
Selects the no. of the selected storage location (1 to 199)
ESC /
function selector
switch
Back / cancel to the selected measuring function
TEST / MEM
Selects the corresponding measuring result field
Keys used in the measuring result field:
UP / DOWN
Selects the measurement stored
ESC / TAB
Back / cancel to the installation structure field
Function selector
switch Back / cancel to the selected measuring function
TEST / MEM
Recalls the selected measuring results
Figure 6 5: Recall of measuring results stored .
Keys used in the measuring result field (measuring results are displayed)
UP / DOWN
Recalls measuring results stored in the selected storage location
MEM / ESC
Back / cancel to the measuring result field
TEST
Back / cancel to the installation structure field
Function selector
switch Back / cancel to the selected measuring function
BENNING IT 130 Measurements
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6.4 Deleting measuring results
6.4.1 Deleting the entire measured value memory
Select the SETTINGS mode by means of the function selector switch.
Select "CLEAR ALL MEMORY" in the " " menu. The following warning will be MEMORY
displayed:
Figure 6 6: Clear all memory.
Keys used:
UP / DOWN
Toggles between NO and YES
TEST
Confirms deleting the entire measured value memory
ESC / function selector
switch Back / cancel to the "MEMORY" menu
Figure 6 7: Deleting the measured value memory.
6.4.2 Deleting all measurements of each storage location and subordinate
storage locations
Select the SETTINGS mode by means of the function selector switch.
Select "DELETE RESULTS MEMORY" in the " " menu.
Figure 6 8: Deleting all measurements of each storage location .
and subordinate storage locations
Keys used in the installation structure field:
TAB
Selects the storage location (object / block / fuse / measuring point)
UP / DOWN
Selects the no. of the selected storage location (1 to 199)
Function
selector switch Back / cancel to the selected measuring function
ESC
Back / cancel to the "MEMORY" menu
TEST
Enters a dialog box for deleting all measurements of the selected storage
location and its subordinate storage locations. Press the key again to
delete all measurements of this storage location and its subordinate
storage locations.
BENNING IT 130 Measurements
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6.4.3 Deleting an individual measurement
Select the SETTINGS mode by means of the function selector switch.
Select "DELETE RESULTS MEMORY" in the " " menu.
Figure 6 9: Deleting an individual measurement (installation structure field selected).
Keys used in the installation structure field:
TAB
Selects the storage location (object / block / fuse / measuring point)
UP / DOWN
Selects the no. of the selected storage location (1 to 199)
Function
selector switch Back / cancel to the selected measuring function
ESC
Back / cancel to the "MEMORY" menu
MEM
Enters the measuring result field of individual measurements
Keys used in the measuring result field:
UP / DOWN
Selects an individual measurement
TEST
Enters a dialog box for deleting an individual measurement.
Press the key again to delete the individual measurement.
TAB / ESC
Back / cancel to the installation structure field
Function
selector switch Back / cancel to the selected measuring function
Figure 6 10: .
Deleting an individual measurement
Figure 6 11: .
Display after the measurement has been deleted
BENNING IT 130 Measurements
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6.5 Renaming installation structure fields
6.5.1 Renaming installation structure fields by means of the PC software
The default installation structure field of the installation tester are "Object", "Block", "Fuse" and
"Measuring point (CON)".
In the BENNING PC-Win IT 130 logging software, the default installation structure field can be
renamed with customer-specific names and can be adapted to the installation to be tested.
Once created, the installation structures can be stored in the BENNING PC-Win IT 130 logging
software and transmitted to the BENNING IT 130 installation tester. Please refer to the help
menu of the BENNING PC-Win IT 130 logging software for further information on how to
transmit customer-specific installation structures to the installation tester.
Figure 6 12: Example of a customer-specific installation structure .
6.5.2 Renaming the installation structure fields by means of the barcode
scanner
The default installation structure field of the installation tester are "Object", "Block", "Fuse" and
"Measuring point (CON)".
If the installation tester is in the "SAVE RESULTS" menu, the identification no. or the
designation of the measuring point can be scanned by means of a barcode scanner.
Figure 6.13: Connection of the optional barcode scanner (009371)
Renaming the storage location
Connect the optional barcode scanner to the installation tester.
Carry out the measurement, press the " " key and select the storage location to be MEM
renamed in the "SAVE RESULTS" menu.
Scan the identification no. or the designation of the measuring point from the barcode label
in order to rename the installation structure field. The installation tester confirms the receipt
by two short acoustic signals and displays the identification no. or the designation of the
measuring point.
Note:
Please use barcode scanners only which have been approved by BENNING.
BENNING IT 130 Measurements
- 68 -
6.6 USB and RS232 interface
The installation tester is provided with the two communication interfaces USB and RS 232. The
transmission mode is selected automatically by the installation tester depending on the interface
used. Here, the USB interface is given priority.
The stored measuring results can be transmitted to a PC by means of the
BENNING PC-Win IT 130 logging software. The PC software automatically recognizes the
installation tester and thus allows data transmission between the installation tester and the PC.
Figure 6 14: Pin assignment of the serial RS232 cable .
How to set up a USB or RS232 connection
RS232 interface: Connect the serial PS/2-RS232 interface cable to a COM port of the PC
and to the PS/2 connector of the installation tester.
USB interface: Connect the USB cable to a USB port of the PC and to the USB port of the
installation tester.
Switch on both the PC and the installation tester.
Start the BENNING PC-Win IT 130 program.
The PC and the installation tester automatically recognize each other.
The installation tester is prepared for communication with a PC.
The BENNING PC-Win IT 130 logging software is compatible with Windows XP, Windows Vista,
Windows 7 and Windows 8.
Note:
Before using the USB interface, the USB driver should be installed on the PC. Please
refer to the installation CD for installation instructions of the USB driver.
BENNING IT 130 Maintenance
- 69 -
7 Maintenance
Unauthorized persons are not allowed to open the installation tester. The installation tester does
not contain any replaceable components except for the batteries / storage batteries and the fuse
F1.
7.1 Fuse F1 replacement
Three fuses are located behind the rear cover of the installation tester. Only the fuse F1 can be
replaced.
If one of the fuses F2 or F3 has blown, the device must not be used anymore. In this case, the
device must be sent to BENNING for inspection and repair.
F1
M 0.315 A / 250 V, 205 mm (757211)
This fuse is intended to protect the internal switching circuits for low-impedance
measurement / continuity test, if during measurement the test probes are accidentally
connected to the mains voltage.
Please refer to chapter 3.3 "Rear panel" for information on the position of the fuse F1.
Warnings:
Disconnect all test cables and switch off the installation tester before opening the battery
/ fuse compartment, as dangerous voltages are applied to the installation tester!
Replace the defective fuse by original fuses only, because otherwise the installation
tester or the accessories might get damaged and / or the operator's safety might be
impaired!
7.2 Cleaning
The housing does not require any specific maintenance. Clean the surface of the installation
tester or the accessories by means of a soft cloth slightly moistened with soap water or alcohol.
After cleaning, let the installation tester or accessories dry completely before using them.
Warnings:
Do not use any liquids based on benzine or hydrocarbons!
Do not spill any cleaning liquids on the installation tester!
7.3 Periodic calibration
It is important to calibrate the installation tester regularly to make sure that the technical data
listed in this operating manual are guaranteed. BENNING waarborgt de naleving van de in de
gebruiksaanwijzing vermelde technische gegevens en nauwkeurigheidsinformatie gedurende
het 1ste jaar na de leveringsdatum. It is recommended to calibrate the installation tester once a
year. Calibration must be carried out by an authorized technician only. Please contact your
specialty retailer or the BENNING Service Center for further information.
MI 3108 BENNING IT 130PV Maintenance
- 70 -
7.4 Service
For repairs or service, please contact your specialty retailer or the BENNING Service Center.
BENNING Elektrotechnik und Elektronik GmbH & Co. KG
Robert-Bosch-Str. 20
D - 46397 Bocholt
BENNING Helpdesk phone no.: +49 (0)2871 - 93 - 555
www.benning.de • hotline@benning.de
BENNING IT 130 Technical data
- 71 -
8 Technical data
8.1 Insulating resistance
Insulating resistance (nominal voltages of 50 V
DC, 100 VDC and 250 VDC)
Measuring range according to EN 61557-2: 0.15 M  199.9 M
Measuring range (M
) Resolution (M
) Accuracy
0.00 19.99 0.01 (5 % of the measured value + 3 digits)
20.0 99.9 0.1 (10 % of the measured value)
100.0 199.9 (20 % of the measured value)  
Insulating resistance (nominal voltages of 500 V
DC and 1000 VDC)
Measuring range according to EN 61557-2: 0.15 M  999 M
Measuring range (M
) Resolution (M
) Accuracy
0.00 19.99 0.01 (5 % of the measured value + 3 digits)
20.0 199.9 0.1 (5 % of the measured value)
200 999 1 (10 % of the measured value)
Voltage
Measuring range (V)
Resolution (V)
Accuracy
0 1200 1 (3 % of the measured value + 3 digits)
Nominal voltages .................................... 50 V
DC, 100 VDC, 250 VDC, 500 VDC, 1000 VDC
Open-circuit voltage ................................ -0 % / +20 % of the nominal voltage
Measuring current ................................... min. 1 mA at RN=UN
 1 k /V
Short-circuit current ............................... max. 3 mA
Number of possible tests ....................... > 1200, with fully charged battery / storage battery
Automatic discharge after test.
The accuracy specified shall apply for the use of the three-wire test cable and shall apply up to
100 M for the use of the "Commander" test probe.
The accuracy specified shall apply up to 100 M for a relative air humidity > 85 %.
If the installation tester gets wet, the results might be affected. In this case, it is recommended to let
the installation tester and its accessories dry for at least 24 hours.
The maximum error under operating conditions corresponds to the maximum error under reference
conditions 5 % of the measured value.
BENNING IT 130 Technical data
- 72 -
8.2 Low-impedance resistance / continuity test
8.2.1 Low-impedance resistance R LOW
Measuring range according to EN 61557-4: 0.16 1999  
Measuring range R (
) Resolution (
)
Accuracy
0.00 19.99 0.01 (3 % of the measured value + 3 digits)
20.0 199.9 0.1 (5 % of the measured value)
200 1999 1
Measuring range R+, R- (
)
Resolution (
)
Accuracy
0.0 199.9 0.1 (5 % of the measured value + 5 digits)
200 1999 1
Open-circuit voltage ............................... 6.5 V DC 9 V DC
Measuring current ................................... min. 200 mA for a load resistance of 2
Test cable compensation ........................ up to 5
Number of possible tests ........................ > 2000, with fully charged batteries / storage batteries
Automatic polarity reversal of the testing voltage.
8.2.2 Continuity test
Measuring range (
) Resolution (
)
Accuracy
0.0 19.9 0.1 (5 % of the measured value + 3 digits)
20 1999 1
Open-circuit voltage ............................... 6.5 V DC 9 V DC
Short-circuit current ................................ max. 8.5 mA
Test cable compensation ........................ up to 5
BENNING IT 130 Technical data
- 73 -
8.3 Residual current protection devices (RCDs)
8.3.1 General data
Nominal tripping differential current (A, AC) .. 10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA
Nominal tripping differential current (EV, MI) 30 mA AC, 6 mA DC
Accuracy ....................................................... -0 / +0,1I ; I = I N, 2    I N, 5 I N
-0.1 I / +0; I = 0.5   I N
AS / NZS: ± 5 %
Shape of testing current ................................ sinusoidal (type AC, type EV/MI [AC part
]
),
..................................................................... pulsating (type A, type F),
..................................................................... smooth direct current (type B, type B+,
..................................................................... type EV/MI [DC part
]
),
DC offset for pulsating testing current ........... 6 mA (typical)
RCD type ...................................................... undelayed, delayed (S)
Initial polarity of the testing current ............... 0º or 180º
Voltage range ............................................... 93 V 134 V (45 Hz 65 Hz)  
185 V 266 V (45 Hz 65 Hz)  
Current selection for RCD testing (r.m.s. value calculated for 20 ms) according to IEC 61009:
I
N
× 1/2 I
N
× 1 I
N
× 2 I
N
× 5 RCD I
I
N
(mA)
AC
A, F
B, B+
AC A, F
B, B+
AC A, F
B, B+
AC A, F
B, B+
AC
A, F
B, B+
10 5 3,5 5 10 20 20 20 40 40 50 100
100  
30 15 10,5
15 30 42 60 60 84 120 150 212
300  
100 50 35 50 100 141 200 200 282 400 500 707
1000
 
300 150
105
150 300 424 600 600 848 - 1500
- -  
500 250
175
250 500 707 1000
1000
1410
- 2500
- -  
1000 500
350
500 1000
1410
- 2000
- - - - -   -
„-“............................................................ not applicable
Type AC ................................................. sinusoidal testing current
Type A, type F ........................................ pulsating testing current
Type B, type B+ ...................................... testing current is a smooth direct current
I
N
× 1/2
I
N
× 1 I
N
× 2 I
N
× 5 RCD I
I
N
(mA)
EV/MI
(AC part)
EV/MI
(AC part)
EV/MI
(AC part)
EV/MI
(AC part)
EV/MI
(AC part)
EV/MI
(DC part)
30 AC 15 30 60 150 -
6 DC - - - - -
„-“............................................................ not applicable
Type EV, MI (AC part) ............................ sinusoidal testing current
Type EV, MI (DC part) ............................ testing current is a smooth direct current
BENNING IT 130 Technical data
- 75 -
Tripping time
Measuring range (ms)
Resolution (ms)
Accuracy
0 300 1 3 ms
Contact voltage
Measuring range
(V)
Resolution (V)
Accuracy
0.0 19.9 0.1 (-0 % / +15 %) of the measured value
± 10 digits
20.0 99.9 0.1 (-0 % / +15 %) of the measured value
The specified accuracy shall apply for stable mains voltages and protective conductor connections
without any interference voltages.
Tripping current measurement is not available for I
N=1000 mA (RCD type B, type B+).
The specified accuracy shall apply to the entire measuring range.
Tripping current limits
RCD type
Tripping current
Lower limit
Upper limit
I
∆N
< 30 mA
I∆N
30 mA
AC (sinusoidal) 0.5 I
N
I∆N
A, F (pulsating) 0.35 I∆N 2 I∆N 1.4 I∆N
B, B+ (DC) 0.5 I
N
2 I
N
Note:
If the EN 60364-4-41standard has been selected (SETTINGS: RCD testing), a tripping current of
less than the lower limit will be displayed without any evaluation ( / ).
BENNING IT 130 Technical data
- 76 -
8.4 Loop impedance and prospective short-circuit current
8.4.1 Zs function (for systems without RCD)
Loop impedance
Measuring range according to EN 61557-3: 0.25 9.99 k  
Measuring range (
) Resolution (
)
Accuracy
0.00 9.99 0.01 (5 % of the measured value + 5 digits)
10.0 99.9 0.1
100 999 1 10 % of the measured value
1.00 k 9.99 k 10
Prospective short-circuit current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00 9.99 0.01
Please observe the accuracy of the loop
resistance measurement.
10.0 99.9 0.1
100 999 1
1.00 k 9.99 k 10
10.0 k 23.0 k 100
The accuracy specified shall apply provided that the mains voltage is stable during measurement.
Testing current (at 230 V) ...................... 6.5 A (10 ms)
Nominal voltage range ........................... 93 V 134 V (45 Hz 65 Hz)  
185 V 266 V (45 Hz 65 Hz)  
8.4.2 Zsrcd function (for systems with RCD)
Loop impedance
Measuring range according to EN 61557-3: 0.46 9.99 k  
Measuring range (
) Resolution (
)
Accuracy
0.00 9.99 0.01 (5 % of the measured value + 10
digits)
10.0 99.9 0.1
100 999 1 10 % of the measured value
1.00 k 9.99 k 10
Accuracy might be impaired due to interference voltages in the mains voltage.
Prospective short-circuit current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00 9.99 0.01
Please observe the accuracy of the
loop impedance measurement.
10.0 99.9 0.1
100 999 1
1.00 k 9.99 k 10
10.0 k 23.0 k 100
Nominal voltage range ........................... 93 V 134 V (45 Hz 65 Hz)  
185 V 266 V (45 Hz 65 Hz)  
No tripping of the residual current protection device (RCD).
BENNING IT 130 Technical data
- 77 -
8.5 Line impedance and prospective short-circuit current / voltage drop
Line impedance
Measuring range according to EN 61557-3: 0.25 9.99 k  
Measuring range (
) Resolution (
)
Accuracy
0.00 9.99 0.01 (5 % of the measured value + 5
digits)
10.0 99.9 0.1
100 999 1 10 % of the measured value
1.00 k 9.99 k 10
Prospective short-circuit current (calculated value)
Measuring range (A)
Resolution (A)
Accuracy
0.00 0.99 0.01
Please observe the accuracy of the
line impedance measurement.
1.0 99.9 0.1
100 999 1
1.00 k 99.99 k 10
100 k 199 k 1000
Testing current (at 230 V) ...................... 6.5 A (10 ms)
Nominal voltage range ........................... 93 V 134 V (45 Hz 65 Hz)  
185 V 266 V (45 Hz 65 Hz)  
321 V 485 V (45 Hz 65 Hz)  
Voltage drop (calculated value)
Measuring range (%)
Resolution (%)
Accuracy
0.0 99.9 0.1 Please observe the accuracy of the line
impedance measurement*.
ZREF measuring range ............................ 0.00 Ω 20.0 Ω
* Please refer to chapter 5.6.2 Voltage drop for information on how to calculate the voltage drop.
BENNING IT 130 Technical data
- 78 -
8.6 Earthing resistance
Measuring range according to EN61557-5: 2,00 1999  
Measuring range (
) Resolution (
)
Accuracy
0.00 19.99 0.01
(5 % of the measured value + 5 digits) 20.0 199.9 0.1
200 9999 1
Maximum auxiliary earth electrode resistance RC ...100 RE or 50 k (the lower value shall apply)
Maximum probe resistance RP ................................100 RE or 50 k (the lower value shall apply)
Additional error at RCmax or RPmax ............................. (10 % of the measured value + 10 digits)
Additional error at interference voltage of 3 V (50 Hz) (5 % of the measured value + 10 digits)
Open-circuit voltage ................................................< 30 VAC
Short-circuit current ................................................<30 mA
Frequency of testing voltage ...................................125 Hz, sinusoidal
Interference voltage indicating threshold .................1 V (< 50 , maximum)
Automatic measurement of auxiliary earth electrode resistance and probe resistance.
Automatic monitoring of interference voltage.
8.7 TRMS voltage, frequency and phase sequence
8.7.1 TRMS voltage (AC/DC)
Measuring range (V)
Resolution (V)
Accuracy
0 550 1 (2 % of the measured value + 2 digits)
Measuring method ................................. true r.m.s. value (TRMS)
Frequency range ................................... 0 Hz, 14 Hz 500 Hz
8.7.2 Voltage of the connection monitor
Measuring range (V)
Resolution (V)
Accuracy
10 550 1 (2 % of the measured value + 2 digits)
8.7.3 Frequency
Measuring range (Hz)
Resolution (Hz)
Accuracy
0.00 9.99 0.01 (0.2 % of the measured value + 1 digit)
10.0 499.9 0.1
Voltage range ........................................ 10 V 550 V
8.7.4 Phase sequence (rotary field)
Voltage range ........................................ 100 VAC 550 VAC
Frequency range ................................... 14 Hz 500 Hz
Result displayed ................................... 1.2.3 or 3.2.1
BENNING IT 130 Technical data
- 80 -
8.10 Luminous intensity
The specified accuracy shall apply to the entire measuring range and for the use of the
BENNING luxmeter type B (044111).
Measuring range (lux)
Resolution (lux)
Accu
racy
0.01 19.99 0.01 (5 % of the measured value + 2 digits)
20.0 199.9 0.1
(5 % of the measured value) 200 1999 1
2.00 19.99 k 10
Measuring principle ................................ silicon photodiode with V( ) filter
Spectral response error .......................... < 3.8 % according to CIE curve
Cosine error ............................................ < 2.5 % up to an angle of incidence of 85°
Overall accuracy ..................................... corresponds to DIN 5032, class B standard
BENNING IT 130 Technical data
- 81 -
8.11 General data
Power supply voltage ............................. 9 V
DC (6 1.5 V batteries or storage batteries, type AA)
Operating time ....................................... typically 20 h
Input voltage of charging jack ................ 12 V 10 %
Input current of charging jack ................. max. 400 mA
Storage battery charging current ........... 250 mA (internally regulated)
Measuring category ............................... 1000 V CAT II to earth
600 V CAT III to earth
300 V CAT IV to earth
Protection class .................................... double insulation
Contamination level ............................... 2
Protection category ................................ IP 40
Display .................................................. matrix display with 128 x 64 pixels and background lighting
Dimensions (w h d) .......................... 23 cm 10.3 cm 11.5 cm  
Weight .................................................. 1.3 kg, without batteries / storage batteries
Reference conditions:
Temperature range ................................ +10 C +30 C  
Air humidity range .................................. 40 % rel. Air humidity 70 % rel. air humidity
Operating conditions:
Temperature range ................................ 0 C +40 C  
Maximum relative air humidity ............... 95 % rel. air humidity (0 C 40   C), non-condensing
Storage conditions:
Temperature range ................................ -10 C +70 C  
Maximum relative air humidity ............... 90 % rel. air humidity (-10 C +40   C)
80 % rel. air humidity (40 C 60 C)  
Transmission speed (baud rate):
RS232 interface ..................................... 57600 baud
USB interface ........................................ 256000 baud
Memory size .......................................... up to 1800 measurements
The specified accuracy shall apply to the first year of use under reference conditions. If not specified
otherwise for the respective measuring function, an additional error of max. + 1 % of the measured
value + 1 digit has to be considered for the use under operating conditions.
BENNING IT 130 Appendix A – Fuse table
- 82 -
Appendix A Fuse table – Prospective short-circuit current
Fuse, utilization category gL / gG
gG: general-purpose fuse for general applications, mainly for cable and line protection
gL: former VDE utilization category, replaced by gG
Nominal
current
(A)
Disconnection time [s
]
35m
0.1
0.2
0.4
5
Minimum prospective short
-
circuit current (A)
2 32.5 22.3 18.7 15.9 9.1
4 65.6 46.4 38.8 31.9 18.7
6 102.8 70 56.5 46.4 26.7
10 165.8 115.3 96.5 80.7 46.4
16 206.9 150.8 126.1 107.4 66.3
20 276.8 204.2 170.8 145.5 86.7
25 361.3 257.5 215.4 180.2 109.3
35 618.1 453.2 374 308.7 169.5
50 919.2 640 545 464.2 266.9
63 1217.2 821.7 663.3 545 319.1
80 1567.2 1133.1 964.9 836.5 447.9
100 2075.3 1429 1195.4 1018 585.4
125 2826.3 2006 1708.3 1454.8 765.1
160 3538.2 2485.1 2042.1 1678.1 947.9
200 4555.5 3488.5 2970.8 2529.9 1354.5
250 6032.4 4399.6 3615.3 2918.2 1590.6
315 7766.8 6066.6 4985.1 4096.4 2272.9
400 10577.7 7929.1 6632.9 5450.5 2766.1
500 13619 10933.5 8825.4 7515.7 3952.7
630 19619.3 14037.4 11534.9 9310.9 4985.1
710 19712.3 17766.9 14341.3 11996.9 6423.2
800 25260.3 20059.8 16192.1 13545.1 7252.1
1000 34402.1 23555.5 19356.3 16192.1 9146.2
1250 45555.1 36152.6 29182.1 24411.6 13070.1
BENNING IT 130 Appendix A – Fuse table
- 83 -
Line safety switch, tripping characteristic B
Range of instantaneous tripping: 3 - 5 x I
N
Nominal
current
(A)
Disconnection time [s
]
35m
0.1
0.2
0.4
5
Minimum prospective short
-
circuit current (A)
6 30 30 30 30 30
10 50 50 50 50 50
13 65 65 65 65 65
15 75 75 75 75 75
16 80 80 80 80 80
20 100 100 100 100 100
25 125 125 125 125 125
32 160 160 160 160 160
40 200 200 200 200 200
50 250 250 250 250 250
63 315 315 315 315 315
Line safety switch, tripping characteristic C
Range of instantaneous tripping: 5 - 10 x I
N
Nominal
current
(A)
Disconnection time [s
]
35m
0.1
0.2
0.4
5
Minimum prospective short
-
circuit current (A)
0.5 5 5 5 5 2.7
1 10 10 10 10 5.4
1.6 16 16 16 16 8.6
2 20 20 20 20 10.8
4 40 40 40 40 21.6
6 60 60 60 60 32.4
10 100 100 100 100 54
13 130 130 130 130 70.2
15 150 150 150 150 83
16 160 160 160 160 86.4
20 200 200 200 200 108
25 250 250 250 250 135
32 320 320 320 320 172.8
40 400 400 400 400 216
50 500 500 500 500 270
63 630 630 630 630 340.2
BENNING IT 130 Appendix A – Fuse table
- 84 -
Line safety switch, tripping characteristic K
Range of instantaneous tripping: 8 - 14 x I
N
Nominal
current
(A)
Disconnection time [s
]
35m
0.1
0.2
0.4
Minimum prospective short
-
circuit current (A)
0.5 7.5 7.5 7.5 7.5
1 15 15 15 15
1.6 24 24 24 24
2 30 30 30 30
4 60 60 60 60
6 90 90 90 90
10 150 150 150 150
13 195 195 195 195
15 225 225 225 225
16 240 240 240 240
20 300 300 300 300
25 375 375 375 375
32 480 480 480 480
Line safety switch, tripping characteristic D
Range of instantaneous tripping: 10 - 20 x I
N
Nominal
current
(A)
Disconnection time [s
]
35m
0.1
0.2
0.4
5
Minimum prospective short
-
circuit current (A)
0.5 10 10 10 10 2.7
1 20 20 20 20 5.4
1.6 32 32 32 32 8.6
2 40 40 40 40 10.8
4 80 80 80 80 21.6
6 120 120 120 120 32.4
10 200 200 200 200 54
13 260 260 260 260 70.2
15 300 300 300 300 81
16 320 320 320 320 86.4
20 400 400 400 400 108
25 500 500 500 500 135
32 640 640 640 640 172.8


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